49990455

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{647}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 92798784

約数和(自身を除く): 42808329

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 101, 153, 255, 303, 505, 647, 765, 909, 1515, 1717, 1941, 3235, 4545, 5151, 5823, 8585, 9705, 10999, 15453, 25755, 29115, 32997, 54995, 65347, 77265, 98991, 164985, 196041, 326735, 494955, 588123, 980205, 1110899, 2940615, 3332697, 5554495, 9998091, 16663485, 49990455]

約数ペア:

[(1, 49990455), (3, 16663485), (5, 9998091), (9, 5554495), (15, 3332697), (17, 2940615), (45, 1110899), (51, 980205), (85, 588123), (101, 494955), (153, 326735), (255, 196041), (303, 164985), (505, 98991), (647, 77265), (765, 65347), (909, 54995), (1515, 32997), (1717, 29115), (1941, 25755), (3235, 15453), (4545, 10999), (5151, 9705), (5823, 8585)]